damp under carpet - concrete floor - treatment

Discussion in 'Floors, Stairs and Lofts' started by cascas, 2 Oct 2012.

  1. cascas

    cascas

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    Hi,

    Downstairs there appears to be the start of a couple of patchs of mold coming through.

    House is 1930, with concrete floor. Underneath the underlay, I notice that the floor is patchy black concrete, and it appears to me that there were thermoplastic tiles on the floor at some stage that have been removed and left remnants of the bitumen adhesive.

    What is the best way to deal with this?

    I have looked up the instuctions of using a liquid dpm - but all of these seem to put on a screed over the top - which is difficult without disturbing the skirtings etc.
     
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  3. dazlight

    dazlight

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    Alright mate, best system to go with is ardex NA screed dpm 1c. If your carpets back down tell them to stick the grippers so dpm isn't ruined.
     
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